What is the difference between AIX and Linux?

What is the difference between AIX and Linux?

1. Linux is an open system and can run on most hardware environments; aix is ​​a dedicated system and must run on a proprietary hardware platform; so the biggest difference is the supported hardware The platforms are different. Linux runs on X86, and AIX is specially developed for IBM's own power architecture. In addition to the basic UNIX instructions of the systemV architecture, it has also developed its own management instructions; and linux is a simplified version of unix based on the systemV architecture. It is open source. You can see, use and modify the source code of all instructions, and you can also provide it for free. Self-developed commands

3. The usage of basic commands is almost the same, but there are also differences; for example,

View IP address and VLAN information

AIX: ifconfig -a, lsdev -Cc adapater and lsattr -El ent8

Linux: ifconfig and ip addr

Some commands available on aix There are no these commands on linux. They are basically related to filesytem and lvm. chvg,...

4. The commands at the LVM level are a bit different, namely disk management. Linux first creates the physical volume PV, then creates the volume group VG, and then creates the LV and file system. The same is true for AIX. The difference in the command: aix: createvg linux: vgcreate

5. On the file system: AIX can directly create the file system without editing the fstab file. In AIX, you can use the smitty menu to execute the commands smitty vg smitty mklv smitty fs, etc. After entering, you can find the corresponding commands for VG, LV, and file system operations. In addition, the PV in AIX is a disk directly recognized by the system: hdisk. You can mount as many hard drives as needed. vg can be placed on many hdisks. In Linux, you need to create a pv first. It seems that AIX is stronger than Linux in terms of filesystem security and capacity.

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